Home / 508,125.08-762,187.90-129,074.24

Finding the Fourth Proportional to 508,125.08, 762,187.90 and 129,074.24

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Solution

The fourth proportional to 508,125.08, 762,187.90 and 129,074.24 is: 193,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,125.08 : 762,187.90 = 129,074.24 : x
  2. Step 2: Convert to fraction form
    508,125.08/762,187.90 = 129,074.24/x
  3. Step 3: Cross multiply
    508,125.08x = 762,187.90 × 129,074.24
  4. Step 4: Simplify right side
    508,125.08x = 98,378,823,929.70
  5. Step 5: Solve for x
    x = 98,378,823,929.70/508,125.08
  6. Step 6: Final answer
    x = 193,611.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.